Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Lease Payments under Operating Leases

Future minimum lease payments under these operating leases as of December 31, 2017 are as follows:

Year Ending December 31,
2018	$	29,366
2019	21,569
2020	17,799
2021	13,436
2022	10,780
Thereafter	17,202
	110,152
Sublease income	(30		)
	$	110,122

Summary of Changes in Product Warranties Reserve

The following table reflects the changes in the Company’s warranty reserve (see Note 1 herein for further discussion of warranty/product liability reserves):

	Year Ended December 31,
	2017			2016			2015
Warranty reserve, beginning of year	$	93,895		$	87,407		$	94,060
Provision	44,652			50,787			47,003
Payments	(44,034		)	(44,299		)	(53,656		)
Warranty reserve, end of year	$	94,513		$	93,895		$	87,407